My keto beef and broccoli recipe combines juicy flank steak with tender broccoli in an umami-forward sauce. This dish is perfect for busy weeknights or when you want a satisfying meal without the carbs. With just 3 grams of net carbs per serving, this recipe is not only delicious but also aligns perfectly with your keto diet. The quick prep and cook time make it suitable for any occasion, whether you’re hosting a dinner or making a simple family meal.

Jump to:
- Why You’ll Love This Recipe
- Tools and Preparation
- Essential Tools and Equipment
- Importance of Each Tool
- Ingredients
- For the Beef and Broccoli
- For Garnish
- How to Make Keto Beef and Broccoli
- Step 1: Prepare the Steak
- Step 2: Make the Marinade
- Step 3: Sear the Steak
- Step 4: Cook the Broccoli
- How to Serve Keto Beef and Broccoli
- Over Cauliflower Rice
- In Lettuce Wraps
- With Zoodles
- As a Salad Topping
- How to Perfect Keto Beef and Broccoli
- Best Side Dishes for Keto Beef and Broccoli
- Common Mistakes to Avoid
- Storage & Reheating Instructions
- Refrigerator Storage
- Freezing Keto Beef and Broccoli
- Reheating Keto Beef and Broccoli
- Frequently Asked Questions
- What type of beef is best for Keto Beef and Broccoli?
- Can I use frozen broccoli for Keto Beef and Broccoli?
- How can I customize my Keto Beef and Broccoli?
- Is this Keto Beef and Broccoli recipe suitable for meal prep?
- Final Thoughts
- 📖 Recipe Card
Why You’ll Love This Recipe
- Quick to Prepare: Ready in under 15 minutes, making it ideal for busy days.
- Low in Carbs: With only 3 grams of net carbs per serving, it fits well into your keto lifestyle.
- Flavor-Packed: The umami sauce enhances the rich flavors of beef and broccoli.
- Versatile Serving Options: Enjoy it on its own or pair it with cauliflower rice for a complete meal.
- Healthy Ingredients: Packed with protein and fiber while being low in calories.
Tools and Preparation
To create this delicious dish, you need some essential kitchen tools that will help streamline your cooking process.
Essential Tools and Equipment
- Non-stick pan
- Mixing bowl
- Whisk
- Knife
- Cutting board
Importance of Each Tool
- Non-stick pan: Prevents sticking and allows for easy cooking of steak and vegetables.
- Mixing bowl: Perfect for marinating your steak with the flavorful sauce.
- Whisk: Ensures that all ingredients are well combined for a smooth sauce.
Ingredients
For the Beef and Broccoli
- 2 pounds flank steak
- 2 tablespoons coconut oil
- 1/2 cup soy sauce (can use liquid aminos)
- 2 tablespoons minced garlic
- 1 teaspoon lemon juice
- 1 tablespoon apple cider vinegar
- 4 cups broccoli (chopped)
- 2 tablespoons sesame oil
For Garnish
- 2 tablespoons fresh parsley, finely chopped

How to Make Keto Beef and Broccoli
Step 1: Prepare the Steak
- Slice the flank steak against the grain into bite-sized strips. Place these strips in a mixing bowl.
Step 2: Make the Marinade
- In a small bowl, combine coconut oil, soy sauce, minced garlic, lemon juice, and apple cider vinegar.
- Mix well to create a marinade. Pour this marinade over the sliced steak, ensuring all pieces are coated.
Step 3: Sear the Steak
- Heat one tablespoon of sesame oil in a non-stick pan over medium-high heat.
- Add the marinated steak along with half of the marinade to the pan.
- Sear for about 5 minutes, turning halfway through to cook both sides evenly.
Step 4: Cook the Broccoli
- Add another tablespoon of sesame oil to the pan along with the chopped broccoli and remaining marinade.
- Cook for an additional 5 minutes until the broccoli is tender but still vibrant green.
- Reduce heat to low and simmer until broccoli reaches your desired tenderness.
Enjoy your deliciously simple Keto Beef and Broccoli!
How to Serve Keto Beef and Broccoli
Keto Beef and Broccoli is a versatile dish that can be served in various ways to enhance your meal experience. Whether you’re looking for a quick lunch or a hearty dinner, these serving suggestions will elevate your low-carb dining.
Over Cauliflower Rice
- Cauliflower rice is a fantastic low-carb substitute for traditional rice. It absorbs the flavors of the beef and sauce beautifully.
In Lettuce Wraps
- Use large lettuce leaves to create fresh wraps. This option adds a crunchy texture and is perfect for those seeking a lighter meal.
With Zoodles
- Zucchini noodles, or zoodles, are another great low-carb alternative. They pair well with the umami sauce from the beef and broccoli.
As a Salad Topping
- Chop the beef and broccoli into smaller pieces and serve over mixed greens. Drizzle with extra sauce for added flavor.
How to Perfect Keto Beef and Broccoli
For the best Keto Beef and Broccoli experience, follow these simple tips that will make your dish even more delicious.
- Choose high-quality steak: Using fresh flank steak ensures tenderness and flavor in your dish.
- Marinate longer: For deeper flavor, marinate the steak for at least 30 minutes before cooking.
- Use fresh garlic: Fresh minced garlic gives a stronger aroma and taste compared to pre-minced options.
- Adjust broccoli texture: Cook the broccoli until it’s just tender to maintain its vibrant color and crunch.
- Experiment with spices: Adding spices like ginger or red pepper flakes can give an extra kick to your dish.

Best Side Dishes for Keto Beef and Broccoli
Pairing side dishes with Keto Beef and Broccoli can create a balanced meal while keeping it keto-friendly. Here are some great options to consider:
- Garlic Mashed Cauliflower: A creamy alternative to mashed potatoes that fits perfectly into a keto diet.
- Sautéed Green Beans: Tossed in olive oil and garlic, these green beans add crunch and freshness.
- Roasted Brussels Sprouts: These offer a slight sweetness when roasted, complementing the savory beef.
- Cabbage Stir-Fry: Quick-cooked cabbage provides additional fiber while keeping carbs low.
- Avocado Salad: Creamy avocados mixed with lime juice create a refreshing side packed with healthy fats.
- Egg Drop Soup: This light soup pairs well as an appetizer before your main dish, keeping you satisfied without adding too many carbs.
Common Mistakes to Avoid
When making Keto Beef and Broccoli, avoiding common mistakes can enhance your dish’s flavor and texture. Here are some pitfalls to steer clear of:
- Bold cutting technique: Cutting the steak against the grain is essential for tenderness. If you slice it with the grain, the meat may become chewy.
- Bold not marinating enough: Failing to marinate the steak long enough reduces flavor depth. Aim for at least 30 minutes if time permits.
- Bold overcrowding the pan: Overcrowding can cause steaming instead of searing. Cook in batches if necessary to ensure even browning.
- Bold skipping the sesame oil: Not using sesame oil can lessen the authentic Asian flavor. It’s key to achieving that distinct taste, so don’t skip it!
- Bold cooking broccoli too long: Overcooking broccoli results in a mushy texture. Aim for a bright green and slightly crisp finish for best results.
Storage & Reheating Instructions
Refrigerator Storage
- Store leftover Keto Beef and Broccoli in an airtight container.
- It will last up to 3 days in the fridge, maintaining its flavor and texture.
Freezing Keto Beef and Broccoli
- You can freeze this dish for up to 2 months.
- Use freezer-safe containers or heavy-duty freezer bags to prevent freezer burn.
Reheating Keto Beef and Broccoli
- Oven: Preheat your oven to 350°F (175°C). Place in an oven-safe dish covered with foil for about 15 minutes.
- Microwave: Heat in short intervals of 1-2 minutes, stirring in between until heated through. Cover to retain moisture.
- Stovetop: Heat on medium-low in a skillet, adding a splash of water or broth to keep it moist. Stir frequently until warmed through.

Frequently Asked Questions
Here are some frequently asked questions about making Keto Beef and Broccoli:
What type of beef is best for Keto Beef and Broccoli?
Flank steak is ideal due to its rich flavor and tenderness when cooked properly. Other cuts like sirloin or ribeye also work well.
Can I use frozen broccoli for Keto Beef and Broccoli?
Yes, you can use frozen broccoli, but be sure to thaw it first. This helps achieve a better texture when cooking.
How can I customize my Keto Beef and Broccoli?
You can add other low-carb vegetables like bell peppers or snap peas for extra color and nutrition. Adjust seasonings according to your taste preference.
Is this Keto Beef and Broccoli recipe suitable for meal prep?
Absolutely! It’s perfect for meal prep as it stores well and reheats easily, making it great for lunches or quick dinners throughout the week.
Final Thoughts
Keto Beef and Broccoli is a delightful dish that brings together juicy steak and vibrant broccoli smothered in a flavorful sauce. This recipe is not only quick to prepare but also versatile—feel free to customize it with your favorite low-carb vegetables or adjust flavors as needed. Give it a try; you won’t be disappointed!
Did You Enjoy Making This Recipe? Please rate this recipe with ⭐⭐⭐⭐⭐ or leave a comment.
📖 Recipe Card
Print
Keto Beef and Broccoli
- Total Time: 15 minutes
- Yield: Serves 4
Description
Keto Beef and Broccoli is a quick and delicious weeknight meal that combines tender flank steak with vibrant broccoli, all enveloped in a rich umami sauce. This dish is perfect for those following a low-carb lifestyle, offering just 3 grams of net carbs per serving. With a preparation time of under 15 minutes, you can enjoy this flavorful meal anytime without the hassle. Whether served on its own or paired with cauliflower rice, it’s an ideal choice for busy families and gatherings alike. Get ready to savor each bite while staying committed to your keto diet.
Ingredients
- 2 pounds flank steak
- 2 tablespoons coconut oil
- 1/2 cup soy sauce (can use liquid aminos)
- 2 tablespoons minced garlic
- 1 teaspoon lemon juice
- 1 tablespoon apple cider vinegar
- 4 cups broccoli (chopped)
- 2 tablespoons sesame oil
- 2 tablespoons fresh parsley, finely chopped
Instructions
- Slice flank steak against the grain into bite-sized strips and place in a mixing bowl.
- In a separate bowl, mix coconut oil, soy sauce, minced garlic, lemon juice, and apple cider vinegar to create the marinade. Pour over the steak.
- Heat 1 tablespoon of sesame oil in a non-stick pan over medium-high heat. Add marinated steak and half of the marinade; sear for 5 minutes.
- Add remaining sesame oil and chopped broccoli with the rest of the marinade. Cook for an additional 5 minutes until broccoli is tender but still bright green.
- Prep Time: 10 minutes
- Cook Time: 5 minutes
- Category: Main
- Method: Frying
- Cuisine: Asian
Nutrition
- Serving Size: 1 cup (240g)
- Calories: 320
- Sugar: 2g
- Sodium: 820mg
- Fat: 20g
- Saturated Fat: 7g
- Unsaturated Fat: 13g
- Trans Fat: 0g
- Carbohydrates: 7g
- Fiber: 4g
- Protein: 28g
- Cholesterol: 75mg